1-Benzopyrylium, 8-(5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadienylidene)-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate 21016-19-3 51312-17-5 52350-23-9 53800-26-3 77016-95-6 8-(5-(6,7-Dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)penta-2,4-dienylidene)-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-1-benzopyrylium perchlorate EINECS 244-147-0